こ、告白!? is a Weiß Schwarz card from D.C. D.C.II プラスコミュニケーション DC/W09-046. Compare listings from Singapore Weiß Schwarz sellers on CardJio, then jio them on WhatsApp.
【COUNTER】 Choose one of your 《Music》 characters, and that character gets +2000 power until end of turn.